668465372

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{643}}^1\times {\mathrm{13679}}^1$

素因数の和:14345

約数の個数: 24

約数和(自身を含む): 1233388800

約数和(自身を除く): 564923428

約数列:

[1, 2, 4, 19, 38, 76, 643, 1286, 2572, 12217, 13679, 24434, 27358, 48868, 54716, 259901, 519802, 1039604, 8795597, 17591194, 35182388, 167116343, 334232686, 668465372]

約数ペア:

[(1, 668465372), (2, 334232686), (4, 167116343), (19, 35182388), (38, 17591194), (76, 8795597), (643, 1039604), (1286, 519802), (2572, 259901), (12217, 54716), (13679, 48868), (24434, 27358)]